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| Features of default Modbus firmware | |
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When you buy an I-7188E -MTCP controller, it already has the default Modbus firmware installed in Flash memory. The default firmware has the follows features:
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| CPU | |
| CPU | 80188, 40MHz or compatible |
| SRAM |
512K bytes |
| Flash Memory | 512K bytes |
| EEPROM | 2K Bytes |
| NVRAM | 31 Bytes (battery backup, data valid up to 10 year) |
| RTC (Real Time Clock) | Yes |
| 64-bit Hardware Serial Number | Yes |
| Built-in Watchdog Timer | Yes |
| Communication Interface | |
| COM1 | RS-232 (TXD, RXD, RTS, CTS, GND) |
| COM2 | RS-485 (D2+, D2-) |
| Ethernet Port | 10BASE-T NE2000 compatible Ethernet Controller |
| COM Port Formats | |
| Data bit | 7, 8 |
| Parity | Even, Odd, None |
| Stop bit | 1 |
| LED Display | |
| 5-Digit 7 Segment LED Display | Yes (for I-7188EXD-MTCP only) |
| System LED Indicator | Yes |
| Hardware Expansion | |
| I/O expansion bus | Yes |
| User defined I/O pins | 14 pins |
| Dimensions | |
| I-7188EX(D)-MTCP | 123mm x 72mm x 33mm |
| Operating Environment | |
| Operating Temperature | -25°C to +75°C |
| Storage Temperature | -40°C to +80°C |
| Power | |
| Protection | Power reverse polarity protection |
| Required Supply Voltage | +10 to +30V/DC (non-regulated) |
| Power consumption |
2W for I-7188EX-MTCP 3W for I-7188EXD-MTCP |
